Beer-Biased: 
The second setup considers interlocking caused by strong spurious correlations. We follow a similar setup in [1]}
to append punctuation “,” and “.” at the beginning of the first sentence with the following distributions:
\(\small p(\text{append , } | Y=1) = p(\text{append . } | Y=0) = \alpha ; ~~p(\text{append . } | Y=1) = p(\text{append , } | Y=0) = 1 - \alpha .\) 
